<div class="apiDetail">
    <div>
        <h2><span>Object</span><span class="path">setting.async.</span>headers</h2>
        <h3>Overview<span class="h3_info">[ depends on <span
                class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
        <div class="desc">
            <p></p>
            <div class="longdesc">
                <p>It is valid when <span class="highlight_red">[setting.async.enable = true]</span></p>
                <p>Default："{}"</p>
                <p class="highlight_red">v3.5.36+</p>
            </div>
        </div>
        <h3>String Format</h3>
        <div class="desc">
            <p class="highlight_red">The 'headers' in zTree and jQuery's ajax requests is same.</p>
        </div>
    </div>
</div>